chap 6 - experiment = 1 2 3 4 5 mass = 110.0000 100.0000...

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%problem 6-3 (m-file) %determining total heat capacity clear, clc %define the mass vector mass=[250, 100, 10] %define the heat capacity vector heat=[.45, 4.2, .90] %multiply the number of mass times heat total= mass.*heat %add the total heat capacity total= sum(total) %dot calculations total= dot(mass,heat) mass = 250 100 10 heat = 0.4500 4.2000 0.9000 total = 112.5000 420.0000 9.0000 total = 541.5000 total = 541.5000 %problem 6-5 %determining total heat capacity clear, clc %define the experiment vector experiment= [1, 2, 3, 4, 5] %define the mass of water mass= [110, 100, 101, 98.6, 99.4] %define the heat capacity heat= [4.2] %define the vector y= [experiment;mass] %multiply the number of heat capacity times mass total= sum(y.*heat)
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Unformatted text preview: experiment = 1 2 3 4 5 mass = 110.0000 100.0000 101.0000 98.6000 99.4000 heat = 4.2000 y = 1.0000 2.0000 3.0000 4.0000 5.0000 110.0000 100.0000 101.0000 98.6000 99.4000 total = 466.2000 428.4000 436.8000 430.9200 438.4800 %problem 6-11 clear, clc % solve matrix left division a a=[-2 1 1 1] b=[-3 3] x=inv(a)*b a =-2 1 1 1 b =-3 3 x = 2 1 %solve matrix left division b a= [10 -7 0-3 2 6 5 1 5] b=[7 4 6] x= inv(a)*b a = 10 -7 -3 2 6 5 1 5 b = 7 4 6 x = 0.3055-0.5636 1.0073 % solve matrix left division c a=[1 4 -1 1 2 7 1 -2 1 4 -1 2 3 -10 -2 5] b=[2 16-15-15] x=inv(a)*b a = 1 4 -1 1 2 7 1 -2 1 4 -1 2 3 -10 -2 5 b = 2 16-15-15 x = 5.6923-1.4615-19.1538-17.0000...
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chap 6 - experiment = 1 2 3 4 5 mass = 110.0000 100.0000...

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